<?php
/**
 * crcl/base
 *
 * Copyright 2013 CRCL - André Sabosch - info@crcl.de
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace crcl\base\mvc\view;

interface IHtml
{
}

class ContainerHtml extends Base implements IHtml
{
  public function execute(\crcl\base\mvc\ICommand $oCommand = \NULL)
  {
    if ($this->iStatus == \crcl\base\mvc\Response::STATUS_OK)
    {
      if (\is_null($oCommand))
      {
        $oCommand = $this->oCommand;
      }

      $sFile = $this->getTemplateFile($oCommand);

      $oTemplate = \crcl\base\Template::fromFile($sFile);
      $oTemplate->setValues($oCommand->getExports());

      $sContent = $oTemplate->executeAsString();

      $this->sOutput = $sContent;

      $this->iStatus  = 200;
      $this->addContentTypeHeader($oCommand);
    }
    return $this;
  }

  /** PRIVATE *************************************************************************************/

  private static function getTemplateFile(\crcl\base\mvc\ICommand $oCommand)
  {
    $sDirectory = '';
    if ($oCommand->hasGroup())
    {
      $sDirectory .= $oCommand->getGroup() . '/';
    }
    $sFile = $sDirectory . \strtolower($oCommand->getController()) . '/' .
      $oCommand->getAction() . '.xhtml';

    return $sFile;
  }

  private function addContentTypeHeader(\crcl\base\mvc\ICommand $oCommand)
  {
    if ($oCommand->hasXhtml())
    {
      $this->aHeaders['Content-Type'] = 'application/xhtml+xml; charset=utf-8';
    }
    else
    {
      $this->aHeaders['Content-Type'] = 'text/html; charset=utf-8';
    }
  }
}